addapter interface for category

1-Adapter/src/main/java/persistence/CSVCategoryPersistenceAdapter.java

@@ -0,0 +1,19 @@
+package persistence;
+
+import category.Category;
+import category.CategoryPersistenceAdapter;
+
+import java.util.Set;
+
+public class CSVCategoryPersistenceAdapter implements CategoryPersistenceAdapter {
+
+	@Override
+	public Set<Category> getAll() {
+		return null;
+	}
+
+	@Override
+	public Boolean add(Category category) {
+		return null;
+	}
+}

1-Adapter/src/main/java/persistence/CategoryEntity.java

@@ -0,0 +1,5 @@
+package persistence;
+
+public record CategoryEntity(String name, int id) {
+
+}